Sourced facts you can sign.

yggy turns scattered system data into sourced facts and a signable Evidence Pack. The same fact layer later feeds agents.

Choose a docs surface

Guides Sign in, upload, review, explore, and ask — the product journey.

Developers Build on yggy: the REST API, MCP clients, webhooks, request logs and the CLI.

Integrations Current data sources and the clients that call this organization's graph.

Handbook How yggy thinks about graphs, ontology, URIs, and extraction.